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Anatomy and Physiology: Body Tissues
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Lecture notes on the human body tissues covered in the book, “Essentials of Human Anatomy and Physiology” by Marieb and Keller.
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TEST BANK FOR ESSENTIALS OF HUMAN ANATOMY AND PHYSIOLOGY 12TH EDITION MARIEB | ALL | 2025
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Test Bank to Accompany Essentials of Human Anatomy & Physiology,Marieb,12e
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Test Bank for Essentials of Human Anatomy & Physiology, 12th Edition by Elaine N. Marieb, 9780134652351, Covering Chapters 1-16 | Includes Rationales
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ACE | 2021Subject: Human Anatomy and
Physiology
Topic: Body Tissues 1. Simple epithelia
• Tissues
▪ Functions in absorption, secretion,
o Group of cells with similar structure and function
and filtration
o Four primary types:
▪ Very thin (so not suited for
I. Epithelial tissue (epithelium)
protection)
▪ Locations:
A. Simple squamous epithelium
➢ Body coverings
▪ Simple layer of flat cells
➢ Body linings
▪ Functions in diffusion,
➢ Glandular tissue (secretory functions)
filtration, or secretion in
➢ Functions:
membranes
➢ Protection
▪ Locations:
➢ Absorption
➢ usually forms
➢ Filtration
membranes
➢ Secretion
➢ Lines air sacs of the
lungs
Hallmarks of epithelial tissues:
➢ Forms walls of
✓ Cover and line body surfaces
capillaries
✓ Often form sheets with one free surface,
➢ Forms serous
the apical surface, and an anchored
membranes
surface, the basement membrane
(serosae) that line
✓ Avascular (no blood supply)
and cover the
✓ Regenerate easily if well nourished
organs in ventral
cavity
Classification of epithelia
Number of cell Shape of cells
layers
Simple — one Squamous —
layer flattened, like fish
scales
Stratified — more Cuboidal — cube-
than one layer shaped, like dice
Columnar — shaped
like columns B. Simple cuboidal epithelium
▪ Single layer of cubelike
cells
▪ Functions in secretion
and absorption; ciliated
types propel mucus or
reproductive cells
▪ Locations:
1
, ➢ Common in glands ciliated and
and their ducts known as
➢ Forms walls of pseudostratifie
kidney tubules d ciliated
➢ Covers the surface columnar
of ovaries epithelium
▪ Functions in absorption
or secretion
2. Stratified epithelia
▪ Consists of two or more cell layers
C. Simple columnar epithelium
▪ Single layer of tall cells
▪ Goblet cells secrete
mucus
▪ Functions in secretion ▪ Function primarily in protection
and absorption; ciliated A. Stratified squamous epithelium
types propel mucus or ▪ Most common stratified
reproductive cells epithelium
▪ Locations: ▪ Named for cells present at
➢ Lining of the the free (apical) surface,
digestive tract from which are squamous
stomach to anus ▪ Functions as a protective
➢ Mucous covering where friction is
membranes common
(mucosae) line body ▪ Locations
cavities opening to ➢ lining of the: Skin
the exterior (outer portion),
mouth, esophagus
D. Pseudostratified columnar
epithelium ❖ In nomenclature, we follow what’s on the apical
▪ All cells rest on a surface
basement membrane
▪ Single layer, but some B. Stratified cuboidal epithelium
cells are shorter than ▪ Two layers of cuboidal cells;
others giving a false functions in protection
(pseudo) impression of C. Stratified columnar epithelium
stratification ▪ Surface cells are columnar,
▪ Location: and cells underneath vary in
➢ respiratory size and shape; functions in
tract, where it is protection
2
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